package com.huluobo.user.page

import android.text.TextUtils
import android.util.Log
import androidx.compose.foundation.clickable
import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.Spacer
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.layout.height
import androidx.compose.foundation.layout.padding
import androidx.compose.material.icons.Icons
import androidx.compose.material.icons.filled.AccountCircle
import androidx.compose.material.icons.filled.Lock
import androidx.compose.material3.Button
import androidx.compose.material3.Checkbox
import androidx.compose.material3.Icon
import androidx.compose.material3.OutlinedTextField
import androidx.compose.material3.Text
import androidx.compose.runtime.Composable
import androidx.compose.runtime.LaunchedEffect
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.runtime.setValue
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.text.input.PasswordVisualTransformation
import androidx.compose.ui.text.input.VisualTransformation
import androidx.compose.ui.unit.dp
import androidx.hilt.navigation.compose.hiltViewModel
import androidx.navigation.NavHostController
import com.blankj.utilcode.util.ToastUtils
import com.huluobo.lib_base.BaseTitle
import com.huluobo.lib_base.UIState
import com.huluobo.lib_base.entity.User
import com.huluobo.user.UserIntent
import com.huluobo.user.UserViewModel
import kotlinx.coroutines.launch

/**
 *  Created by LC on 2025/5/5.
 */

@Composable
fun RegisterPage(navHostController: NavHostController, vm: UserViewModel = hiltViewModel()) {
    LaunchedEffect(key1 = "", block = {
        launch {
            vm.state.collect {
                when (it) {
                    is UIState.OnError -> {
                        Log.e("TagA", "注册用户失败:${it.msg}")
                    }

                    UIState.OnLoading -> {}
                    is UIState.OnSuccess<*> -> {
                        ToastUtils.showLong("注册成功:${it.data.toString()}")
                        navHostController.popBackStack()
                    }
                }
            }
        }
    })

    var username by remember {
        mutableStateOf("")
    }

    var password by remember {
        mutableStateOf("")
    }

    var rePassword by remember {
        mutableStateOf("")
    }

    var role by remember {
        mutableStateOf("员工")
    }

    var isShowPassword by remember {
        mutableStateOf(true)
    }

    Column(verticalArrangement = Arrangement.spacedBy(20.dp), modifier = Modifier.padding(20.dp)) {
        BaseTitle(title = "注册", navHostController = navHostController)
        Spacer(modifier = Modifier.height(100.dp))
        OutlinedTextField(value = username, onValueChange = { username = it }, Modifier.fillMaxWidth(), label = {
            Text(text = "用户名")
        }, leadingIcon = { Icon(imageVector = Icons.Default.AccountCircle, contentDescription = "") })

        OutlinedTextField(value = password, onValueChange = { password = it }, Modifier.fillMaxWidth(), label = {
            Text(text = "密码")
        }, leadingIcon = {
            Icon(imageVector = Icons.Default.Lock, contentDescription = "")
        }, trailingIcon = {
            Icon(imageVector = Icons.Default.Lock, contentDescription = "", Modifier.clickable {
                isShowPassword = !isShowPassword
            })
        },
            visualTransformation = if (isShowPassword) PasswordVisualTransformation() else VisualTransformation.None
        )

        OutlinedTextField(value = rePassword, onValueChange = { rePassword = it }, Modifier.fillMaxWidth(), label = {
            Text(text = "确认密码")
        }, leadingIcon = {
            Icon(imageVector = Icons.Default.Lock, contentDescription = "")
        }, trailingIcon = {
            Icon(imageVector = Icons.Default.Lock, contentDescription = "", Modifier.clickable {
                isShowPassword = !isShowPassword
            })
        },
            visualTransformation = if (isShowPassword) PasswordVisualTransformation() else VisualTransformation.None
        )

        Row(verticalAlignment = Alignment.CenterVertically) {
            Text(text = "角色 : ")
            Checkbox(checked = role == "经理", onCheckedChange = {
                if (it) {
                    role = "经理"
                }
            })
            Text(text = "经理")
            Checkbox(checked = role == "员工", onCheckedChange = {
                if (it) {
                    role = "员工"
                }
            })
            Text(text = "员工")
        }

        Button(onClick = {
            if (TextUtils.isEmpty(username) || TextUtils.isEmpty(password) || TextUtils.isEmpty(rePassword)) {
                ToastUtils.showLong("输入项不能为空")
                return@Button
            }

            if (!username.matches(Regex("[A-z0-9]{3,10}"))) {
                ToastUtils.showLong("用户名需要字母或者数字,3到10位")
                return@Button
            }

            if (password != rePassword) {
                ToastUtils.showLong("两次密码输入不一致")
                return@Button
            }
            val user = User(username = username, password = password, role = if (role == "经理") 1 else 2)
            vm.sendIntent(UserIntent.Register(user))

        }) {
            Text(text = "注册")
        }
    }
}